Topic: codex
8,457 skills in this topic.
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x-rfc
RFC (Request for Comments) document query tool providing access to Internet protocol standards. Use this skill whenever the user needs to look up, search, read, or learn about RFC documents. Covers: list RFCs (x rfc ls), view by number (x rfc 791), search (x rfc : http), and AI summary (x rfc :: tls). Triggered by queries like "RFC 791", "TCP standard", "HTTP protocol", "TLS specs", "SMTP RFC", "what is RFC 1918?", or any Internet protocol standard lookup.
x-cmd/skill 19
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groovy
Enhanced Groovy language module for script execution and environment management. Core Scenario: When the user needs to run Groovy scripts or manage the Groovy runtime.
x-cmd/skill 19
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grep
Pattern search tool with an interactive FZF-powered application for real-time result viewing. Core Scenario: When the user needs to search for text patterns and explore results interactively.
x-cmd/skill 19
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python-testing
Python testing strategies using pytest, TDD methodology, fixtures, mocking, parametrization, and coverage requirements.
x-cmd/skill 19
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ollama
CLI client for Ollama, the open-source framework for local LLM deployment. Core Scenario: When the user wants to pull, manage, or run local AI models (Llama 3, Mistral, etc.) via Ollama.
x-cmd/skill 19
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gt
Enhanced Gitee CLI for managing repositories, issues, and PRs on the Gitee platform. Core Scenario: When the user needs to automate development workflows or manage projects on Gitee.
x-cmd/skill 19
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pdf
Use when tasks involve reading, creating, or reviewing PDF files where rendering and layout matter; prefer visual checks by rendering pages (Poppler) and use Python tools such as `reportlab`, `pdfplumber`, and `pypdf` for generation and extraction.
x-cmd/skill 19
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database-migrations
Database migration best practices for schema changes, data migrations, rollbacks, and zero-downtime deployments across PostgreSQL, MySQL, and common ORMs (Prisma, Drizzle, Django, TypeORM, golang-migrate).
x-cmd/skill 19
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visa-doc-translate
Translate visa application documents (images) to English and create a bilingual PDF with original and translation
x-cmd/skill 19
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docker-patterns
Docker and Docker Compose patterns for local development, container security, networking, volume strategies, and multi-service orchestration.
x-cmd/skill 19
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ffmpeg
Powerful multimedia processing tool for converting, recording, and streaming audio and video. Core Scenario: When the user needs to convert media formats, extract audio, or perform complex video editing via CLI.
x-cmd/skill 19
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x-security
This skill provides comprehensive security assessment and vulnerability management tools through x-cmd CLI, including network reconnaissance with Shodan, vulnerability scanning with OSV, and known exploited vulnerability tracking with KEV. This skill should be used when users need to perform security assessments, vulnerability research, network reconnaissance, or security monitoring from command line interfaces.
x-cmd/skill 19
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proxy
Manage shell environment proxy variables (http_proxy, etc.) with subcommands for setting, unsetting, and viewing. Core Scenario: When the user needs to configure or clear network proxies for terminal tools and AI assistants.
x-cmd/skill 19
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skill-installer
Install Codex skills into $CODEX_HOME/skills from a curated list or a GitHub repo path. Use when a user asks to list installable skills, install a curated skill, or install a skill from another repo (including private repos).
x-cmd/skill 19
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shodan
Search the Shodan network database for connected devices, vulnerabilities, and real-time network intelligence. Core Scenario: When the user needs to perform network reconnaissance, search for exposed assets, or audit IPs.
x-cmd/skill 19
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lms
CLI module for LM Studio, enabling terminal-based chat and local LLM management. Core Scenario: When the user wants to interact with locally hosted models in LM Studio via the command line.
x-cmd/skill 19
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sleep
Pause execution for human-readable durations or schedule periodic tasks. Core Scenario: When the user needs to delay scripts, create timers (beacons), or schedule repeating commands.
x-cmd/skill 19
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hn
Browse Hacker News from the CLI with interactive TUI, AI search integration, and user analysis. Core Scenario: When the user wants to read top HN posts, search HN via AI, or analyze HN user stats.
x-cmd/skill 19
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aider
AI pair-programming tool that allows you to code with LLMs directly in your terminal and Git repository. Core Scenario: When the user wants to collaborate with an AI on code modifications, automated commits, or whole-repo context tasks.
x-cmd/skill 19
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gh-address-comments
Help address review/issue comments on the open GitHub PR for the current branch using gh CLI; verify gh auth first and prompt the user to authenticate if not logged in.
x-cmd/skill 19
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e2e-testing
Playwright E2E testing patterns, Page Object Model, configuration, CI/CD integration, artifact management, and flaky test strategies.
x-cmd/skill 19
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eval-harness
Formal evaluation framework for Claude Code sessions implementing eval-driven development (EDD) principles
x-cmd/skill 19
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foundation-models-on-device
Apple FoundationModels framework for on-device LLM — text generation, guided generation with @Generable, tool calling, and snapshot streaming in iOS 26+.
x-cmd/skill 19
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kev
Retrieve and list Known Exploited Vulnerabilities (KEV) from official security catalogs. Core Scenario: When the user needs to audit system safety against actively exploited security flaws.
x-cmd/skill 19